and things like that. didn t find anything? no, we didn t. keith morrison (voiceover): not at first, and not outside, but a few days later they did. i entered the residence through the open garage door. keith morrison (voiceover): senior investigator steve anderson. i noticed bloodstains on the floor and on the moldings of the doorway that led out to the garage. keith morrison (voiceover): and there was more blood tiny stains on a kitchen rug. they sent it out for tests. everything on the floor, on the inside walls, and on the carpet came back to being michele s blood. keith morrison (voiceover): and suddenly, the case looked very different. then we knew we had a real problem. keith morrison (voiceover): what in the world had happened to michele harris? [whoosh] craig melvin (voiceover): coming up. [music playing] sue: they had what would appear to be an idyllic life and a beautiful home and beautiful children. we learned more and more. he became the focus. craig melvin (voiceover): a